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plant nitrate uptake

This is a discussion on plant nitrate uptake within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> well, good news and bad news. The good news, is my test results were accurate. The bad news, the test results were accurate. My ...

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Old 02-23-2012, 03:06 PM   #21
 
beetlebz's Avatar
 
well, good news and bad news. The good news, is my test results were accurate. The bad news, the test results were accurate.

My tap water tested as follows;
ammonia 0.25 ppm
nitrite 0
nitrate 30(ish) ppm, creeping towards the next shade.

my 110g tested at around 60ppm. But, that explains why my 20 long planted tank tested so high. Now I need to figure out what to do about it. Some of my reading suggests that a second, or second stage of, the biological filter will reduce these numbers. I know other members here have had issues with tap nitrates going crazy, maybe its time for its own thread :)

Im not really big on using commercial nitrate absorbents, as they need to be replaced. I am however, considering building a 2nd stage for my 110g (for experimental purposes) canister filter. It is a Eheim Ecco 2236 which flows about 160 GPH with no media. Im considering adding a 3 gallon utility bucket post-filter. The effluent would have to flow through a small (5/8" i think) hose into the bottom of the bucket, fill up through the 2nd bio media (something like lava rock or seachem matrix) then back into the aquarium. The bucket I would hope would slow down the water enough to consume the oxygen and denitrify the water. Im not concerned about lowering the oxygen content with my 20 HOBs.

thoughts?
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Old 02-23-2012, 08:24 PM   #22
 
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Quote:
Originally Posted by beetlebz View Post
well, good news and bad news. The good news, is my test results were accurate. The bad news, the test results were accurate.

My tap water tested as follows;
ammonia 0.25 ppm
nitrite 0
nitrate 30(ish) ppm, creeping towards the next shade.

my 110g tested at around 60ppm. But, that explains why my 20 long planted tank tested so high. Now I need to figure out what to do about it. Some of my reading suggests that a second, or second stage of, the biological filter will reduce these numbers. I know other members here have had issues with tap nitrates going crazy, maybe its time for its own thread :)

Im not really big on using commercial nitrate absorbents, as they need to be replaced. I am however, considering building a 2nd stage for my 110g (for experimental purposes) canister filter. It is a Eheim Ecco 2236 which flows about 160 GPH with no media. Im considering adding a 3 gallon utility bucket post-filter. The effluent would have to flow through a small (5/8" i think) hose into the bottom of the bucket, fill up through the 2nd bio media (something like lava rock or seachem matrix) then back into the aquarium. The bucket I would hope would slow down the water enough to consume the oxygen and denitrify the water. Im not concerned about lowering the oxygen content with my 20 HOBs.

thoughts?
Is this a well planted tank?
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Old 02-23-2012, 10:06 PM   #23
 
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the 20 long is well planted. thats the tank with 0 ammonia, 0 nitrites, and 30ppm nitrates. Im not 100% what im going to do about it just yet, aside from replacing deaths with hardier fish

The tank that I was considering the experimental nitrate filter for was my 110g, with nitrates pushing 60ppm.
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